SM41RR - M41.5 x 0.5 Retaining Ring

The SM41RR is a high-quality M41.5 x 0.5 Retaining Ring, designed and manufactured by Thorlabs, a leading brand in the optical industry. This retaining ring is a type of Mount Accessory, specifically a Lens Tube Mount, made from durable aluminum and features a black anodized finish for enhanced durability and aesthetic appeal.

The SM41RR is circular in shape, with a thickness of 2.5, and is compatible with SM2AD41 lens tubes. It has a clear aperture of 38.5, providing a generous opening for light transmission. The ring features an M41.5 x 0.5 thread, ensuring a secure and reliable fit.

This retaining ring is part of Thorlabs' extensive catalog, which includes a wide range of optical elements. The SM41RR is available directly from the manufacturer's website, where you can find more detailed specifications, high-quality images, and even a step file for 3D modeling.